SMA Sunny Tripower 10.0 Smart Energy

Compatibility

Compatible through local Modbus TCP

Edge can read the documented Modbus interface over the site network.

This guide targets STP10.0-3SE-40. The cited model-specific map covers firmware package 3.01.09.R; compare its definitions with the installed firmware before using it. The smaller Smart Energy models share the cited manual but are not extra devices counted by this guide. Read-only monitoring, not battery dispatch or grid-code configuration.

Connect it with

• 
  Gateway ZGW-20
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Models

Specifications

The STP10.0-3SE-40 is a three-phase hybrid inverter. Its installation manual and parameter archive are separate documents: the manual establishes hardware and safe access, while the archive defines the measured values for a specific firmware package.^1, 2

Model

STP10.0-3SE-40, 10 kW class¹

Read interface

Local Modbus TCP; disabled by default, port 502 by default¹

Register definition

Model-specific SMA list for firmware 3.01.09.R; not an ennexOS or generic SunSpec map²

Unit ID

SMA profile default 3; configurable from 3 to 123³

Environment

IP65; operating temperature -25 to +60 °C, subject to installation and derating limits¹

Interface

Documented measurements and integration boundaries for Sunny Tripower 10.0 Smart Energy.

• Inverter AC power from GridMs.TotW, documented as signed 32-bit FIX0 in the cited map.
• Battery state of charge from Bat.ChaStt, documented as unsigned 32-bit FIX0.
• Operating state and event information alongside measurements to distinguish standby or a fault from a genuine zero.
• Battery voltage, current and energy values only where the installed battery and firmware provide them.
• Site import/export belongs to the site-meter measurement boundary; inverter AC power is not a whole-building consumption reading.

Setup

1. Record the exact hardware and firmware

   Read STP10.0-3SE-40 from the nameplate and record the firmware package, battery model and site meter. Obtain the matching Parameters and Measured Values file. Treat this guide’s 3.01.09.R example as a versioned definition, not a promise that every later firmware is identical.

2. Enable the local server

   In the inverter interface, enable Modbus TCP and record its port and unit ID. Use the authorised installer account where required. Restrict access to the monitoring host; SMA warns that enabling Modbus also exposes writable settings. Do not forward this port to the internet.

3. Configure a read-only Edge connection

   Use the inverter IP, configured TCP port and SMA-profile unit ID. Add only documented read-only points with their full word length and data type. SMA address numbers are protocol addresses, not Modicon 3xxxx or 4xxxx reference prefixes.

4. Check the battery measurement

   Read the two-register state-of-charge value below and compare it with the inverter interface at the same time. A missing battery, unsupported point or communications failure must remain unavailable rather than becoming 0%.

5. Validate operational power

   Check signed AC power and operating state together. Compare site import/export against the site meter rather than the inverter output. Repeat the identity, scaling and unavailable-value checks after firmware updates or replacement.

Common questions

Can I use the generic SMA ennexOS map?

This inverter has its own model-specific parameter list. Sunny Tripower X and Sunny Boy Smart Energy are different platforms. Match STP10.0-3SE-40 and the installed firmware rather than choosing by manufacturer alone.^2, 3

Does reading Modbus require Sunny Portal?

The documented interface is a local IP server on the inverter. Cloud monitoring and local polling are separate paths; enable and protect the local interface explicitly.¹

Can I copy a fixed SunSpec power address?

No. This example uses the SMA profile. If choosing SunSpec instead, use the applicable SunSpec documentation and discover the actual model list; do not combine its offsets with SMA addresses.³